Cheapest return flights from Chicago to London in August from 414€

AirHint found the following cheapest return flights from Chicago (MDW) to London (LHR) in August 2025 (see full year).

Return flights

06 Aug - 20 Aug Virgin Atlantic
19 Aug - 29 Aug Air France
13 Aug - 20 Aug Air France
26 Aug - 02 Sep Delta
19 Aug - 26 Aug Delta
06 Aug - 12 Aug Delta
11 Aug - 12 Sep Delta
12 Aug - 12 Sep Delta
13 Aug - 12 Sep Delta
13 Aug - 09 Sep Delta
12 Aug - 05 Sep Delta
12 Aug - 19 Aug Delta
18 Aug - 26 Aug Virgin Atlantic
12 Aug - 22 Aug Delta
13 Aug - 22 Aug Delta
12 Aug - 21 Aug Delta
13 Aug - 14 Sep Air France
14 Aug - 12 Sep Delta
14 Aug - 09 Sep Delta
14 Aug - 10 Sep Delta

Also check the deals for one-way flights from Chicago to London in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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